Economic Modelling by Rennie Advisory of Solar Citizens proposal for accelerated depreciation for rooftop solar and battery installations on rental properties as a federal lever to address the split incentive (landlords pay for installation while tenants receive the bill savings) keeping renters locked out of rooftop solar. By compressing the depreciation schedule from 20 years to 5 years, the policy lifts value of the landlord's tax saving, providing a greater incentive to invest.

Key results:

If this policy resulted in solar (and battery) installations in 30% of rental homes by 2030:

• Renters would save $38,000 (to $45,000) on electricity bills from solar (and battery) installations over the 20 year life of the assets
• Landlords would save $3000 (to $6,000) on solar (and battery) installations - a saving of 25%
• Nationally renters would save $27billion (to $57billion) on energy bills over 20 years
• The cost to Treasury would be $1billion - for $27billion of economic benefit in bill savings that could be spent elsewhere

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State & Territory costings